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'''''Petrophyton''''' is a small genus of plants in the [[Rosaceae|rose family]] known as the '''rock spiraeas''' or '''rockmats'''. These are low mat-forming shrubs which send up erect stems bearing [[Inflorescence|spike inflorescences]] of flowers. The brushy flowers are white and have many [[stamen]]s and hairy, thready [[Carpel|pistil]]s. Rockmats are native to western North America. |
'''''Petrophyton''''' is a small genus of plants in the [[Rosaceae|rose family]] known as the '''rock spiraeas''' or '''rockmats'''. These are low mat-forming shrubs which send up erect stems bearing [[Inflorescence|spike inflorescences]] of flowers. The brushy flowers are white and have many [[stamen]]s and hairy, thready [[Carpel|pistil]]s. Rockmats are native to western North America. |
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Revision as of 10:38, 11 September 2009
| Petrophyton | |
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| Petrophyton caespitosum | |
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| Genus: | Petrophyton
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Petrophyton is a small genus of plants in the rose family known as the rock spiraeas or rockmats. These are low mat-forming shrubs which send up erect stems bearing spike inflorescences of flowers. The brushy flowers are white and have many stamens and hairy, thready pistils. Rockmats are native to western North America.
Species:
- Petrophyton acuminatum - big arroyo rockmat
- Petrophyton caespitosum - mat rock spiraea
- Petrophyton cinerascens - halfshrub rockmat, Chelan rockmat
- Petrophyton hendersonii - Olympic Mountain rockmat
References and external links
- ^ Potter, D.; Eriksson, T.; Evans, R.C.; Oh, S.H.; Smedmark, J.E.E.; Morgan, D.R.; Kerr, M.; Robertson, K.R.; Arsenault, M.P.; Dickinson, T.A.; Campbell, C.S. (2007). Phylogeny and classification of Rosaceae. Plant Systematics and Evolution. 266(1–2): 5–43.